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Specification
BatteriesIncluded : 1
BatteriesRequired : 1
Brand : Oumefar
BulletPoint : Preamplifiers
BulletPoint1 : 【Definition】 A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a
BulletPoint2 : 【Function】 Connect this preamplifier to the audio source with 6J1 tubes and effectively filter the digital flavor. Tube amplifiers produce a warmer or more valve sound, make music and the human voice is relatively good.
BulletPoint3 : 【Noise Reduction】Eight 470UF capacitor filter is very clean, excellent power system to no hum, filaments are powered with DC 12V and need to be connected in series in order to reduce noise.
BulletPoint4 : 【Application】Using DC 5.5*2.1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board.
BulletPoint5 : 【DIY】The kit is divided into several parts, you can freely combine and DIY applications according to your needs, which is a good choice.
Color : One Color
CompatibleDevices : Solar
ExternallyAssignedProductIdentifier : 7846240829321
Hazmat1 : LITHIUM ION BATTERIES
Hazmat10 : CA_SmallLithiumIonBatteryStandalone
Hazmat11 : CN_SmallLithiumIonBatteryStandalone
Hazmat12 : IT_SmallLithiumIonBatteryStandalone
Hazmat13 : ES_SmallLithiumIonBatteryStandalone
Hazmat14 : IN_SmallLithiumIonBatteryStandalone
Hazmat15 : MX_SmallLithiumIonBatteryStandalone
Hazmat16 : SG_SmallLithiumIonBatteryStandalone
Hazmat17 : AU_SmallLithiumIonBatteryStandalone
Hazmat18 : BR_SmallLithiumIonBatteryStandalone
Hazmat19 : TR_SmallLithiumIonBatteryStandalone
Hazmat2 : UN3480
Hazmat20 : AE_SmallLithiumIonBatteryStandalone
Hazmat21 : SA_SmallLithiumIonBatteryStandalone
Hazmat22 : EG_SmallLithiumIonBatteryStandalone
Hazmat23 : NL_SmallLithiumIonBatteryStandalone
Hazmat24 : SE_SmallLithiumIonBatteryStandalone
Hazmat25 : PL_SmallLithiumIonBatteryStandalone
Hazmat26 : BE_SmallLithiumIonBatteryStandalone
Hazmat27 : ZA_SmallLithiumIonBatteryStandalone
Hazmat28 : IE_SmallLithiumIonBatteryStandalone
Hazmat3 : II
Hazmat4 : 9
Hazmat5 : US_SmallLithiumIonBatteryStandalone
Hazmat6 : GB_SmallLithiumIonBatteryStandalone
Hazmat7 : DE_SmallLithiumIonBatteryStandalone
Hazmat8 : FR_SmallLithiumIonBatteryStandalone
Hazmat9 : JP_SmallLithiumIonBatteryStandalone
ItemName : Oumefar 6J1 Vacuum Electron Tube Valve Preamp, Tube Amplifier Kit Amplifier Electronic DIY Kit, Amplifier Board Headphone Amp Parts Preamplifier Musical Fidelity Kit
ItemPackageDimensions_Height : 17.399 centimeters
ItemPackageDimensions_Length : 2.6924 centimeters
ItemPackageDimensions_Width : 13.3096 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : audio-component-amplifiers
Manufacturer : Oumefar
ModelName : r8
ModelNumber : CS-LI1SL
NumberOfBoxes : 1
NumberOfItems : 30
NumberOfLithiumIonCells : 1
PartNumber : CS-LI1SL
ProductDescription : Description:
A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a . Connect this 6J1 tube pre-amplifier between sound source and and it can effectively filter digital flavor. 

Specifications:
Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc.)
Channel Types: 2.0 / stereo
Voltage & Current: AC12V 0.8A or
Power Interface: 5.5 * 2.5 plug
Circuit Board Size: 77 x 75mm / 3.03 x 2.95"

Instruction:
1, AC 12V Input: using DC 5.5*2.1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board. DC power input can not be used, or it will not work.
2, Sound Channel Input: Connected to mobile phone, computer, MP3, MP4 and many other music players.Sound Channel Output: Connected to the audio input of power amplifier.
4, Power Switch/Volume Knob: Rotate the knob anticlockwise to turn down volume, and continue rotating until you hear the sound "tick" to power off. Rotate the knob clockwise until you hear the sound "tick" to power on and continue rotating to turn up volume.

Package Includes:
1 x PCB Board
1 x 2W 2.2? Metal Film Resistor
6 x 1N4007 Large Current Diodes
6 x 4.7K Resistors
2 x 1K Resistors
4 x 47? Resistors
2 x 2.2K Resistors
2 x 470K Resistors
2 x 100K Resistors
2 x 200? Resistors
9 x 50V 470UF Capacitors
4 x 50V 1UF Monolithic Ceramic Capacitors
2 x D667 Transistors
2 x B647 Transistors
1 x 50K Potentiometer
2 x 3mm Blue LED
1 x DC005 Power Connector
2 x Tube Base
2 x 6J1 Tubes
2 x Base
1 set x Standoff and Screws
1 x Potentiometer

ProductSiteLaunchDate : 2022-11-02T10:57:18.167Z
SafetyDataSheetUrl : https://www.bornmieo.com/product/MSDS.pdf
Size : 30 Pcs
SupplierDeclaredDgHzRegulation1 : not_applicable
SupplierDeclaredDgHzRegulation2 : not_applicable
SupplierDeclaredDgHzRegulation3 : not_applicable
SupplierDeclaredDgHzRegulation4 : not_applicable
SupplierDeclaredDgHzRegulation5 : not_applicable
UnitCount : 1
UnspscCode : 52161547
Voltage : 7.4 volts
WarrantyDescription : No Warranty